nwrox

# Bash best practices and style-guide

Just simple methods to keep the code clean.

Inspired by [progrium/bashstyle](https://github.com/progrium/bashstyle) and [Kfir Lavi post](http://www.kfirlavi.com/blog/2012/11/14/defensive-bash-programming/).


## Quick big rules
* All code goes in a function
* Always double quote variables

nwrox

# boot-url points to an nfs URL
# sanboot-url points to an http URL
# ubuntu-version contains 18.04.3
# ubuntu-release contains bionic

:ubuntu
echo Booting Ubuntu from iSCSI for ${initiator-iqn}
set root-path ${base-iscsi}:${hostname}.boot.ubuntu
sanboot ${root-path} || goto failed
goto start

nwrox

///This is a Frankenstein class that can extract the AES key from a KDK as described in:
/// https://docs.microsoft.com/en-us/aspnet/core/security/data-protection/implementation/subkeyderivation?view=aspnetcore-2.2
///With a bit of luck, this should let an ASP.NET app decrypt cookies generated by an ASPNETCore app
///Still consult https://docs.microsoft.com/en-us/aspnet/core/security/cookie-sharing?view=aspnetcore-2.2 to share cookies
///Credit for most of the code is from various parts of https://github.com/aspnet/AspNetCore/tree/master/src/DataProtection/DataProtection/src

public unsafe class CookieDataProtector : IDataProtector
{
    readonly string _base64MasterKey;

nwrox

const groupBy = (xs, key) => xs.reduce((rv, x) => {
  (rv[x[key]] = rv[x[key]] || []).push(x);
  return rv;
}, {});

nwrox

/* Smartphones (portrait and landscape) ----------- */

@media only screen and (min-device-width: 320px) and (max-device-width: 480px) {
    /* Styles */
}
/* Smartphones (landscape) ----------- */

@media only screen and (min-width: 321px) {
    /* Styles */
}